Crown Engineering 10010 Coupler 320788-702 Whether you are performing a

Whether you are performing a unit heater motor repair or a full HVAC blower motor replacement

this means a reliable field-installable solution that extends the cooling operating range beyond the standard 55°F factory limit

allowing for simultaneous heating and cooling control or multi-stage cooling configurations

5" WC regulation point

this 120V time delay relay (Thermodisc #12S22 305587) regulates the activation of blower motors and fans to prevent rapid cycling

Crown Engineering 10010 Coupler 320788-702 Whether you are performing aThe Crown Engineering 10010 Coupler is a professional grade Spiralink pump coupler designed for high torque hydronic heating systems. Specifically engineered for 1 12 to 1 3 HP motors, it features a unique single spring spiral design that provides 3 dimensional flexibility to compensate for shaft misalignment between the motor and the pump head. Unlike older, multi part "fly away" couplings, this one piece HVAC pump coupling eliminates friction